.login-container {
    position: absolute;
    border: 1px solid #ddd;
    width: 90%;
    height: 50%;
    left: 50%;
    top: 50%;
    margin-left: -45%;
    margin-top: -30%;
}

.login-container-username {
    height: 50px;
    line-height: 50px;
}

.login-container-username input {
    height: 50px;
    line-height: 50px;
    width: 70%;
    margin-left: 20px;
}